Finding the Fourth Proportional to 174,960,412.80, 262,440,619.20 and 106,935,964.80
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Solution
The fourth proportional to 174,960,412.80, 262,440,619.20 and 106,935,964.80 is: 160,403,947.20
Step by Step Solution
- Step 1: Write the proportion equation
174,960,412.80 : 262,440,619.20 = 106,935,964.80 : x - Step 2: Convert to fraction form
174,960,412.80/262,440,619.20 = 106,935,964.80/x - Step 3: Cross multiply
174,960,412.80x = 262,440,619.20 × 106,935,964.80 - Step 4: Simplify right side
174,960,412.80x = 28,064,340,816,861,404 - Step 5: Solve for x
x = 28,064,340,816,861,404/174,960,412.80 - Step 6: Final answer
x = 160,403,947.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.